From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: - add-cmpxchg_local-to-sh64.patch removed from -mm tree Date: Wed, 31 Oct 2007 15:41:32 -0700 Message-ID: <20071031224132.4B845432BF5@localhost> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp-out.google.com ([216.239.45.13]:61651 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760290AbXJaWnK (ORCPT ); Wed, 31 Oct 2007 18:43:10 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mathieu.desnoyers@polymtl.ca, lethal@linux-sh.org, mm-commits@vger.kernel.org The patch titled Add cmpxchg_local to sh64 has been removed from the -mm tree. Its filename was add-cmpxchg_local-to-sh64.patch This patch was dropped because an updated version will be merged ------------------------------------------------------ Subject: Add cmpxchg_local to sh64 From: Mathieu Desnoyers Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by: Mathieu Desnoyers Cc: Paul Mundt Signed-off-by: Andrew Morton --- include/asm-sh64/system.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff -puN include/asm-sh64/system.h~add-cmpxchg_local-to-sh64 include/asm-sh64/system.h --- a/include/asm-sh64/system.h~add-cmpxchg_local-to-sh64 +++ a/include/asm-sh64/system.h @@ -163,6 +163,21 @@ static __inline__ unsigned long __xchg(u return x; } +#include + +/* + * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make + * them available. + */ +#define cmpxchg_local(ptr,o,n) \ + (__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr))) +#define cmpxchg64_local(ptr,o,n) __cmpxchg64_local_generic((ptr), (o), (n)) + +#ifndef CONFIG_SMP +#include +#endif + /* XXX * disable hlt during certain critical i/o operations */ _ Patches currently in -mm which might be from mathieu.desnoyers@polymtl.ca are local_t-documentation-update-2.patch markers-fix-warnings.patch add-cmpxchg_local-to-sh64.patch add-cmpxchg_local-to-sparc-move-__cmpxchg-to-systemh.patch add-cmpxchg_local-to-sparc64.patch add-cmpxchg_local-to-v850.patch add-cmpxchg_local-to-xtensa.patch